Mechanical Engineering
2021 · Paper 2
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE ME 2021 Paper 2 overview, original pages and practice · Timed previous-paper practice
Questions 7–9 of 65. Imported answers require review unless explicitly marked reviewed.
Question 7
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A box contains 15 blue balls and 45 black balls. If 2 balls are selected randomly, without replacement, the probability of an outcome in which the first selected is a blue ball and the second selected is a black ball, is
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The ratio of the area of the inscribed circle to the area of the circumscribed circle of an equilateral triangle is
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Consider a square sheet of side 1 unit. The sheet is first folded along the main diagonal. This is followed by a fold along its line of symmetry. The resulting folded shape is again folded along its line of symmetry. The area of each face of the final folded shape, in square units, equal to
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